require 'daemons'

# A daemonized TweetStream client that will allow you to
# create backgroundable scripts for application specific
# processes. For instance, if you create a script called
# <tt>tracker.rb</tt> and fill it with this:
#
#     require 'rubygems'
#     require 'tweetstream'
#
#     TweetStream.configure do |config|
#       config.consumer_key = 'abcdefghijklmnopqrstuvwxyz'
#       config.consumer_secret = '0123456789'
#       config.oauth_token = 'abcdefghijklmnopqrstuvwxyz'
#       config.oauth_token_secret = '0123456789'
#       config.auth_method = :oauth
#     end
#
#     TweetStream::Daemon.new('tracker').track('intridea') do |status|
#       # do something here
#     end
#
# And then you call this from the shell:
#
#     ruby tracker.rb start
#
# A daemon process will spawn that will automatically
# run the code in the passed block whenever a new tweet
# matching your search term ('intridea' in this case)
# is posted.
#
module TweetStream
  class Daemon < TweetStream::Client
    DEFAULT_NAME = 'tweetstream'.freeze
    DEFAULT_OPTIONS = {:multiple => true}

    attr_accessor :app_name, :daemon_options

    # The daemon has an optional process name for use when querying
    # running processes.  You can also pass daemon options.
    def initialize(name = DEFAULT_NAME, options = DEFAULT_OPTIONS)
      @app_name = name
      @daemon_options = options
      super({})
    end

    def start(path, query_parameters = {}, &block) #:nodoc:
      Daemons.run_proc(@app_name, @daemon_options) do
        super(path, query_parameters, &block)
      end
    end
  end
end
